127763442 has 24 divisors (see below), whose sum is σ = 284303916. Its totient is φ = 41436576.

The previous prime is 127763423. The next prime is 127763513. The reversal of 127763442 is 244367721.

127763442 is a `hidden beast` number, since 12 + 7 + 7 + 634 + 4 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 99980001 + 27783441 = 9999^2 + 5271^2 .

It is a super-2 number, since 2×127763442² = 32646994223374728, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 127763397 and 127763406.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 95253 + ... + 96584.

Almost surely, 2^127763442 is an apocalyptic number.

127763442 is an abundant number, since it is smaller than the sum of its proper divisors (156540474).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

127763442 is a wasteful number, since it uses less digits than its factorization.

127763442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191882 (or 191879 counting only the distinct ones).

The product of its digits is 56448, while the sum is 36.

The square root of 127763442 is about 11303.2491788866. The cubic root of 127763442 is about 503.6577655843.

The spelling of 127763442 in words is "one hundred twenty-seven million, seven hundred sixty-three thousand, four hundred forty-two".